131001103103 has 4 divisors (see below), whose sum is σ = 141078111048. Its totient is φ = 120924095160.

The previous prime is 131001103067. The next prime is 131001103109. The reversal of 131001103103 is 301301100131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301301100131 = 2707 ⋅111304433.

It is a cyclic number.

It is not a de Polignac number, because 131001103103 - 2¹⁴ = 131001086719 is a prime.

It is a super-2 number, since 2×131001103103² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131001103109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5038503953 + ... + 5038503978.

It is an arithmetic number, because the mean of its divisors is an integer number (35269527762).

Almost surely, 2^131001103103 is an apocalyptic number.

131001103103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131001103103 is a deficient number, since it is larger than the sum of its proper divisors (10077007945).

131001103103 is a wasteful number, since it uses less digits than its factorization.

131001103103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10077007944.

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 131001103103 its reverse (301301100131), we get a palindrome (432302203234).

The spelling of 131001103103 in words is "one hundred thirty-one billion, one million, one hundred three thousand, one hundred three".